Trazodone for Sleep Disruption After a Concussion

Amar Lunagaria — Co-Founder & Chief Pharmacist, LienScripts | March 4, 2026 | 7 min read

Trazodone is commonly prescribed to restore healthy sleep architecture after concussion and traumatic brain injury. Learn how trazodone addresses post-concussive insomnia, typical dosing for sleep, and what this prescription means for personal injury case documentation.

Trazodone for Sleep Disruption After a Concussion

Trazodone is a serotonin antagonist and reuptake inhibitor (SARI) that restores healthy sleep architecture in patients suffering from insomnia following a concussion or mild traumatic brain injury. Post-concussive sleep disruption affects up to 70 percent of TBI patients and directly impairs neurological recovery. Trazodone promotes sleep onset and maintenance without the dependence risk associated with benzodiazepines or Z-drugs, making it a preferred choice for the extended treatment course that concussion recovery often requires.

• Trazodone is one of the most commonly prescribed medications for post-concussive insomnia because it promotes natural sleep architecture without the habituation risk of sedative-hypnotics
• LienScripts provides trazodone to personal injury patients at zero upfront cost through pharmacy lien arrangements, ensuring uninterrupted access throughout the recovery period
• A trazodone prescription for post-concussive sleep disruption documents a neurological injury that has disrupted the patient's sleep-wake regulation, supporting injury severity claims
• Treatment duration for post-concussive insomnia typically ranges from one to six months, with each refill documenting ongoing neurological symptoms
• LienScripts generates a MERIT (Medication Evaluation & Rationale for Injury Treatment) report that connects trazodone prescribing to the concussion diagnosis and treatment timeline

Why Sleep Disruption Matters After a Concussion

Concussions disrupt the neurochemical systems that regulate sleep-wake cycles. The traumatic impact damages neurons involved in serotonin, melatonin, and orexin signaling -- neurotransmitter pathways that govern sleep onset, sleep maintenance, and the cycling between sleep stages. The result is a constellation of sleep problems that go far beyond simple difficulty falling asleep.

Post-concussive sleep disruption typically manifests as:

• Difficulty initiating sleep -- the patient lies awake for extended periods despite exhaustion
• Fragmented sleep -- repeated awakenings throughout the night, often accompanied by headache or confusion
• Altered sleep architecture -- reduced deep sleep (slow-wave sleep) and REM disruption, leading to non-restorative sleep even when total sleep duration appears adequate
• Daytime hypersomnia -- paradoxical excessive daytime sleepiness despite poor nighttime sleep quality

This sleep disruption is not merely an inconvenience. Sleep is when the brain performs critical repair processes, including glymphatic clearance of metabolic waste, synaptic consolidation, and neuroplastic recovery. When sleep is disrupted after a concussion, the brain's recovery mechanism is directly impaired, potentially extending the duration and severity of post-concussive symptoms including headache, cognitive dysfunction, irritability, and mood disturbance.

How Trazodone Works for Post-Concussive Insomnia

Trazodone promotes sleep through a dual mechanism. At low doses used for insomnia (25 to 100 mg), its primary action is antagonism of serotonin 5-HT2A receptors and histamine H1 receptors. This receptor blockade promotes sleep onset and increases slow-wave sleep -- the deep, restorative sleep stage that is most disrupted after concussion.

Unlike benzodiazepines (such as clonazepam) and Z-drugs (zolpidem, eszopiclone), trazodone does not work by enhancing GABA-A receptor activity. This distinction is clinically important because:

• No tolerance development -- patients can take trazodone nightly for months without requiring dose escalation to maintain effectiveness
• No physical dependence -- discontinuation does not produce withdrawal seizures or rebound insomnia characteristic of GABA-ergic sleep medications
• Preserved sleep architecture -- trazodone enhances natural slow-wave sleep rather than inducing a pharmacologically altered sleep state
• No next-day impairment -- at appropriate doses, the short half-life minimizes morning sedation

These properties make trazodone particularly suitable for concussion patients who may need sleep support for months while the brain heals.

Typical Prescribing Pattern After Concussion

As Amar Lunagaria, PharmD, LienScripts' Chief Pharmacist explains, "Trazodone prescribing for post-concussive insomnia follows a pattern that directly reflects the neurological recovery timeline -- starting doses, duration of use, and any escalation provide a pharmacological record of how the brain injury has affected the patient's sleep regulation over time."

Initial dosing (Weeks 1-2):

• 25 to 50 mg at bedtime, taken 30 minutes before intended sleep
• Low starting dose to assess tolerability and avoid excessive next-day sedation

Dose optimization (Weeks 2-4):

• Titrate to 50 to 100 mg at bedtime based on sleep response
• Most concussion patients achieve adequate sleep at 50 to 100 mg nightly

Maintenance phase:

• Continued at the effective dose for as long as post-concussive insomnia persists
• Duration ranges from four weeks for mild concussions to six months or longer for moderate TBI
• Periodic reassessment determines whether the patient's sleep regulation has recovered sufficiently to taper

Tapering:

• Gradual dose reduction over one to two weeks when the prescriber determines sleep patterns have normalized
• Premature tapering can reveal that insomnia persists, indicating ongoing neurological disruption

What a Trazodone Prescription Signals in PI Records

Neurological impact beyond headache

Sleep disruption is a recognized biomarker of concussive brain injury. A trazodone prescription documents that the patient's concussion was severe enough to disrupt the neurochemical systems governing sleep-wake regulation -- a finding that goes well beyond the headache and dizziness that defense attorneys often characterize as minor and self-limiting.

Duration correlates with recovery timeline

Each monthly refill of trazodone represents the prescriber's clinical determination that the patient's sleep-wake regulation has not yet recovered. A patient who requires trazodone for four months after a concussion has a documented four-month neurological recovery course, contradicting defense claims that concussions resolve in days to weeks.

Combination with other concussion medications

When trazodone appears alongside topiramate for post-traumatic headaches, ondansetron for post-concussive nausea, or cognitive rehabilitation therapy, the medication profile documents a multisystem brain injury requiring coordinated pharmacological management.

Side Effects and Patient Considerations

Trazodone is generally well tolerated at the low doses used for insomnia:

• Morning drowsiness -- usually resolves by reducing the dose or taking the medication earlier in the evening
• Orthostatic hypotension -- patients should rise slowly from bed, particularly in the first few days of treatment
• Dry mouth -- mild and manageable with adequate hydration
• Priapism -- rare but serious side effect in males that requires immediate medical attention

At doses of 50 to 100 mg used for sleep, serious side effects are uncommon. The medication's safety profile is one of the primary reasons prescribers prefer it over benzodiazepines for post-concussive insomnia, particularly when extended treatment is anticipated.

How LienScripts Supports Trazodone Access After Concussion

Consistent, nightly trazodone use is essential for restoring sleep patterns after concussion. Treatment interruptions -- whether from insurance delays, prior authorization requirements, or out-of-pocket costs -- allow sleep disruption to persist, directly impairing the brain's recovery and extending the overall concussion recovery timeline.

LienScripts eliminates medication access barriers by dispensing trazodone through a pharmacy lien arrangement at zero upfront cost. Every prescription is filled promptly, maintaining the uninterrupted treatment record that supports both clinical recovery and case documentation.

LienScripts generates a MERIT (Medication Evaluation & Rationale for Injury Treatment) report for every case, providing pharmacist-signed documentation for demand packages. The MERIT report contextualizes trazodone prescribing within the broader concussion treatment plan, connecting sleep disruption to the traumatic mechanism and documenting the neurological recovery timeline.